Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Property, plant and equipment | — |
4,063,000
EUR
|
— | — | — |
5,165,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investment property | — |
1,259,235,000
EUR
|
— | — | — |
1,338,034,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
72,000
EUR
|
— | — | — |
134,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
196,000
EUR
|
— | — | — |
7,729,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets | — |
1,279,790,000
EUR
|
— | — | — |
1,368,225,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — |
73,800,000
EUR
|
— | — | — |
72,489,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Share premium | — |
915,447,000
EUR
|
— | — | — |
916,768,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
70,868,000
EUR
|
887,008,000
EUR
|
915,447,000
EUR
|
73,800,000
EUR
|
31,370,000
EUR
|
948,457,000
EUR
|
120,961,000
EUR
|
161,762,000
EUR
|
916,768,000
EUR
|
72,489,000
EUR
|
854,438,000
EUR
|
114,416,000
EUR
|
70,992,000
EUR
|
20,414,000
EUR
|
918,275,000
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Liabilities | — |
392,782,000
EUR
|
— | — | — |
419,769,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
1,279,790,000
EUR
|
— | — | — |
1,368,225,000
EUR
|
— | — | — | — | — | — | — | — | — |